Performance analysis of solar desiccant-evaporative cooling for a commercial building under different Australian climates

Ma, Yunlong & Guan, Lisa (2015) Performance analysis of solar desiccant-evaporative cooling for a commercial building under different Australian climates. Procedia Engineering, 121, pp. 528-535.

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Abstract

This paper evaluates and compares the system performance of a solar desiccant-evaporative cooling (SDEC) system with a referenced conventional variable air volume (VAV) system for a typical office building in all 8 Australian capital cities. A simulation model of the building is developed using the whole building simulation software EnergyPlus. The performance indicators for the comparison are system coefficient of performance (COP), annual primary energy consumption, annual energy savings, and annual CO2 emissions reduction. The simulation results show that Darwin has the most apparent advantages for SDEC system applications with an annual energy savings of 557 GJ and CO2 emission reduction of 121 tonnes. The maximum system COP is 7. For other climate zones such as Canberra, Hobart and Melbourne, the SDEC system is not as energy efficient as the conventional VAV system.

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ID Code: 89157
Item Type: Journal Article
Refereed: Yes
Additional Information: Paper presented in The 9th International Symposium on Heating, Ventilation and Air Conditioning (ISHVAC) joint with the 3rd International Conference on Building Energy and Environment (COBEE), 12-15 July 2015, Tianjin, China
Keywords: Solar air conditioning, Desiccant dehumidification, Evaporative cooling, Australian commercial building
DOI: 10.1016/j.proeng.2015.08.1024
ISSN: 1877-7058
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Deposited On: 16 Oct 2015 01:08
Last Modified: 20 Oct 2015 01:09

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